There are several different types of Bitcoin clients. The most secure are full nodes like Bitcoin-Qt, but full nodes are more resource-heavy, and they must do a lengthy initial syncing process. As a result, lightweight clients with somewhat less security are commonly used.

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That's not too bad then, I didn't even do the math of it but if it's only an $11 difference and you don't have to cash our your bitcoins to do it, it's a pretty close trade! If you use paypal they'll take like $6 or something too.